Someday, people will realize that diversity on its own doesn't solve anything and that people are people. Some are capable problem solvers and some aren't. Some have great technical or leadership skills and some don't.

Hitting some kind of magic ratio won't on its own create better outcomes. If it did, you could just fire your entire company, hire based on gender and ethnicity ratios and performance would improve.

It turns out that companies aren't taking that approach...